Review of MXenes as electrocatalysts for hydrogen production
Renewable energy-based water electrolysis is the main method of producing"green hydro-gen",but it still faces difficulties in large-scale application due to high power consumption and the res-ulting high cost of electricity.The way to reduce power consumption lies in the development of high-performance electrocatalysts.MXenes is a two-dimensional material composed of carbides,nitrides and carbon-nitrides with high electrical conductivity,large specific surface area,high mechanical strength and excellent hydrophilicity,which is an ideal carrier for electrocatalysts and has been widely used in the research in the field of hydrogen production by electrolysis of water.This paper firstly introduces the basic composition and structural characteristics of MXenes,summarizes and analyzes the research results on the direct use of MXenes in electrolysis of water for hydrogen production,and describes the application and progress of its use as a carrier material to anchor highly active substances for hydrogen and oxygen evolution reaction,and finally summarizes and looks forward to the future development prospects of MXenes materials.
MXeneselectrochemical water splittingcarrierapplication
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